Finding the Fourth Proportional to 308,537.68, 462,806.64 and 98,175.76
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Solution
The fourth proportional to 308,537.68, 462,806.64 and 98,175.76 is: 147,263.68
Step by Step Solution
- Step 1: Write the proportion equation
308,537.68 : 462,806.64 = 98,175.76 : x - Step 2: Convert to fraction form
308,537.68/462,806.64 = 98,175.76/x - Step 3: Cross multiply
308,537.68x = 462,806.64 × 98,175.76 - Step 4: Simplify right side
308,537.68x = 45,436,393,615.05 - Step 5: Solve for x
x = 45,436,393,615.05/308,537.68 - Step 6: Final answer
x = 147,263.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.